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Aleks [24]
3 years ago
7

Suppose you held two magnets a short distance apart,then let go. what would happen?

Chemistry
2 answers:
Murljashka [212]3 years ago
4 0
The two magnets ought to join together given that at least, if not both, have a strong enough magnetic force to do so.
Assoli18 [71]3 years ago
4 0

Answer:

There are two possibilities that would occur:

  1. The magnets come together and stick together.
  2. The magnets are further apart than the distance at which they were held.

Explanation:

The magnets have two poles: positive and negative, before which it is recognized that <u>if two magnets with the same pole are close to each other and are released, these magnets will repel each other</u>, this is because the same pole repels, regardless of whether it is negative or positive, on the contrary, <u>if the two magnets are close and have opposite poles directed towards each other, these magnets will attract</u>, even with this there is usually a saying that "the opposite poles attract," although it is usually use in couple relationships, this saying may allow you to remember this rule.

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Cinnamon owes its flavor and odor to cinnamaldehyde (C9H8O). Determine the boiling point elevation of a solution of 92.7 mg of c
Flauer [41]

Answer:

The boiling point elevation is 3.53 °C

Explanation:

∆Tb = Kb × m

∆Tb is the boiling point elevation of the solution

Kb is the molal boiling point elevation constant of CCl4 = 5.03 °C/m

m is the molality of the solution is given by moles of solute (C9H8O) divided by mass of solvent (CCl4) in kilogram

Moles of solute = mass/MW =

mass = 92.7 mg = 92.7/1000 = 0.0927 g

MW = 132 g/mol

Moles of solute = 0.0927/132 = 7.02×10^-4 mol

Mass of solvent = 1 g = 1/1000 = 0.001 kg

m = 7.02×10^-4 mol ÷ 0.001 kg = 0.702 mol/kg

∆Tb = 5.03 × 0.702 = 3.53 °C (to 2 decimal places)

6 0
3 years ago
What is the natural rate of nitrogen fixation in Earth’s ecosystems? What is the natural rate of nitrogen fixation in Earth’s ec
quester [9]

Answer:

100 teragrams of nitrogen per year

Explanation:

Nitrogen fixation in Earth's ecosystems is defined as a process where by nitrogen in air is transformed into ammonia or other related nitrogenous compounds. Generally, atmospheric nitrogen is referred to as molecular dinitrogen and it is a nonreactive compound that is metabolically useless to all but a few microorganisms. This process is vital to life due to the fact that inorganic nitrogen compounds are needed for the biosynthesis of amino acids, protein, and all other nitrogen-containing organic compounds. Thus, the natural rate of nitrogen fixation in Earth's ecosystems is 100 tetragrams of nitrogen per year.

7 0
3 years ago
2. calcium reacts with oxygen to produce calcium oxide what is the :reactant' :products' and chemical equation" of this problem
earnstyle [38]

Answer:

Calcium reacts with Oxygen to form Calcium Oxide

Explanation:

Reactant: Calcium reacts with Oxygen to form Calcium Oxide

Products: Calcium + Oxygen

Chemical equation: Ca + 02> CaO

3 0
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Answer:

A.

Explanation:

6 0
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yaroslaw [1]

Answer:

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Explanation:

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